@phdthesis{ Solr-1083825054, title = {Relationship of time in methadone maintenance treatment to drug use history and social participation}, author = {Stauder, John W.}, address = {Ann Arbor, Mich.}, publisher = {Univ. Microfilms Internat.}, year = {1983}, school = {Zugl.: Catholic Univ. of America, Diss., 1981}, }